TS4962M_07 Datasheet, PDF (19/41 Pages) STMicroelectronics – 3W filter-free class D audio power amplifier

TS4962M
Electrical characteristic curves
Figure 16. PSRR vs. frequency
0
Vripple = 200mVpp
-10 _{Inputs = Grounded}
G = 6dB, Cin = 4.7μF
-20 _{RL = 4Ω + Filter}
ΔR/R≤0.1%
-30 _{Tamb = 25°C}
-40
Vcc=5V, 3.6V, 2.5V
-50
-60
-70
-80
20
100
1000
Frequency (Hz)
Figure 17. PSRR vs. frequency
10000 20k
0
Vripple = 200mVpp
-10 _{Inputs = Grounded}
G = 6dB, Cin = 4.7μF
-20 _{RL = 8Ω + 15μH}
ΔR/R≤0.1%
-30 _{Tamb = 25°C}
-40
-50
Vcc=5V, 3.6V, 2.5V
-60
-70
-80
20
100
1000
Frequency (Hz)
10000 20k
Figure 18. PSRR vs. frequency
0
Vripple = 200mVpp
-10 _{Inputs = Grounded}
G = 6dB, Cin = 4.7μF
-20 _{RL = 8Ω + 30μH}
ΔR/R≤0.1%
-30 _{Tamb = 25°C}
-40
-50
Vcc=5V, 3.6V, 2.5V
-60
-70
-80
20
100
1000
Frequency (Hz)
Figure 19. PSRR vs. frequency
10000 20k
0
Vripple = 200mVpp
-10 _{Inputs = Grounded}
G = 6dB, Cin = 4.7μF
-20 _{ΔR/R≤0.1%}
RL = 8Ω + Filter
-30 _{Tamb = 25°C}
-40
-50
Vcc=5V, 3.6V, 2.5V
-60
-70
-80
20
100
1000
Frequency (Hz)
10000 20k
Figure 20. PSRR vs. common mode input
voltage
0
Vripple = 200mVpp
-10 _{F = 217Hz, G = 6dB}
-20
RL ≥ 4Ω + ≥ 15μH
Tamb = 25°C
-30
-40
Vcc=2.5V
Vcc=3.6V
-50
-60
-70
Vcc=5V
-80
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Common Mode Input Voltage (V)
Figure 21. CMRR vs. frequency
0
RL=4Ω + 15μH
G=6dB
ΔVicm=200mVpp
-20 ΔR/R≤0.1%
Cin=4.7μF
Tamb = 25°C
-40
Vcc=5V, 3.6V, 2.5V
-60
20
100
1000
Frequency (Hz)
10000 20k
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